Home / 55,471,548.75-83,218,671.63-19,075,212.29

Finding the Fourth Proportional to 55,471,548.75, 83,218,671.63 and 19,075,212.29

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Solution

The fourth proportional to 55,471,548.75, 83,218,671.63 and 19,075,212.29 is: 28,616,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471,548.75 : 83,218,671.63 = 19,075,212.29 : x
  2. Step 2: Convert to fraction form
    55,471,548.75/83,218,671.63 = 19,075,212.29/x
  3. Step 3: Cross multiply
    55,471,548.75x = 83,218,671.63 × 19,075,212.29
  4. Step 4: Simplify right side
    55,471,548.75x = 1,587,413,827,417,957
  5. Step 5: Solve for x
    x = 1,587,413,827,417,957/55,471,548.75
  6. Step 6: Final answer
    x = 28,616,720.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.